By and large it was 'systematic racism'. See https://en.wikipedia.org/wiki/Covenant_(law)#Exclusionary_co... and https://en.wikipedia.org/wiki/Redlining#Racial_segregation_i... and https://en.wikipedia.org/wiki/Sundown_town just for starters.
By and large it was 'systematic racism'. See https://en.wikipedia.org/wiki/Covenant_(law)#Exclusionary_co... and https://en.wikipedia.org/wiki/Redlining#Racial_segregation_i... and https://en.wikipedia.org/wiki/Sundown_town just for starters.